¡°I don't want to hear explanations,¡± said Lupin shortly. He glanced around the empty entrance hall and lowered his voice. ¡°I happen to know that this map was confiscated by Mr. Filch many years ago. Yes, I know it's a map,¡± he said as Harry and Ron looked amazed. ¡°I don't want to know how it fell into your possession. I am, however, astounded that you didn't hand it in. Particularly after what happened the last time a student left information about the castle lying around. And I can't let you have it back, Harry.¡±
¡°You ¡ª you tap it and say, ¡®Dissendium,'¡± said Harry. ¡°But ¡ª¡±
Harry waited. Did Black mean what he thought he meant?
¡°It's a wrench, giving it to you,¡± said Fred, ¡°but we decided last night, your need's greater than ours.¡±